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Neural Conduction And Synaptic Transmission

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Ramon y Cajal established the ____ ____, which states that the brain is made of many small, discrete cells.

Back (Answer)

Neuron Doctrine

#2
Front (Question)

There are almost ____ billion neurons in the human brain.

Back (Answer)

100

#3
Front (Question)

Neurons have four important regions

Back (Answer)

Dendrites Soma (Cell Body) Axon Axon Terminal

#4
Front (Question)

Dendrites

Back (Answer)

Branching projections that collect information

#5
Front (Question)

Soma (Cell Body):

Back (Answer)

Contains the nucleus and integrates information

#6
Front (Question)

Axon:

Back (Answer)

Conducts the neural signal across a long distance

#7
Front (Question)

Axon terminals:

Back (Answer)

Small swellings that release signals to affect other neurons

#8
Front (Question)

Chemical signals, known as _____, cross small gaps, known as synapses.

Back (Answer)

neurotransmitters

#9
Front (Question)

It is estimated that there are about ___ trillion synapses in the adult brain.

Back (Answer)

500

#10
Front (Question)

A type of neuron that carry information to the brain.

Back (Answer)

Sensory neurons

#11
Front (Question)

A type of neuron that carry information from the brain to the muscles.

Back (Answer)

Motor neurons

#12
Front (Question)

A type of neuron that convey the signals around the nervous system.

Back (Answer)

Interneurons

#13
Front (Question)

A type of neuron that have many dendrites.

Back (Answer)

Multipolar neurons

#14
Front (Question)

A type of neuron that have one dendrite and one axon.

Back (Answer)

Bipolar neurons

#15
Front (Question)

A type off neuron that have only one projection from the soma, which branches to form the axon and the dendrite

Back (Answer)

Monopolar neurons

#16
Front (Question)

Glial Cells

Back (Answer)

• Speeding up the neuronal signaling • Regulating extracellular chemicals • Enabling neurons to modify their connections

#17
Front (Question)

In the glial cells, _______ , in the central nervous system, and ________, in the peripheral nervous system, _______ around axons to speed up signals.

Back (Answer)

Oligodendrocytes Schwann cells wrap myelin

#18
Front (Question)

Nodes of Ranvier

Back (Answer)

are small gaps in the myelin sheath.

#19
Front (Question)

Astrocytes .

Back (Answer)

regulate extracellular chemicals and regulate local blood flow

#20
Front (Question)

Microglia

Back (Answer)

provide immune system functions for the central nervous system.

#21
Front (Question)

The synaptic cleft is the _____ to _____ space between the cells.

Back (Answer)

20- to 30-nm

#22
Front (Question)

Monoamines

Back (Answer)

Serotonin Epinephrine Norepinephrine Dopamine Melatonin

#23
Front (Question)

Amino acids

Back (Answer)

Glutamate Gaba Glycine Aspartate

#24
Front (Question)

Peptide Neurotransmitters

Back (Answer)

Cholecystokinin Neuropeptide Y Somatostatin